我想介绍一下我的小儿子，马克。

I'd like to ___introduce my younger son, Mark.

你们俩被介绍认识了吗？

Have you two been ___introduced to each other?

我们被介绍认识，然后聊了聊我们的祖国。

We were ___introduced to each other and we talked about our home countries.